Synthesis and characterization nitrogen-doped carbon dots from candlenut shells using hydrothermal and solvothermal methods. J.Pendidik.Kim [Internet]. 2024 Apr. 18 [cited 2026 Mar. 21];16(1):15-22. Available from: https://jurnal.unimed.ac.id/2012/index.php/jpk/article/view/56957